Generally, the weather in Arendal through the month of August is 14. Average high is typically 18 with low of 13. The table below has some further insights:
| Month | Degrees Celsius |
|---|---|
| Temperature | 14 |
| High Temperature | 18 |
| Low Temperature | 13 |
| Sunshine Per Day | 7 |
Useful Links: Arendal Weather: Average Weather & Yearly Climate